private static void WriteGridDefinition(XmlWriter writer, RasterGridPrescription prescription)
{
var cellWidth = GetCellWidth(prescription);
var cellHeight = GetCellHeight(prescription);
var originY = GetOriginY(prescription);
writer.WriteAttributeString("A", originY.ToString());
var originX = GetOriginX(prescription);
writer.WriteAttributeString("B", originX.ToString());
writer.WriteAttributeString("C", cellHeight.ToString("F14", CultureInfo.InvariantCulture));
writer.WriteAttributeString("D", cellWidth.ToString("F14", CultureInfo.InvariantCulture));
writer.WriteAttributeString("E", prescription.ColumnCount.ToString(CultureInfo.InvariantCulture));
writer.WriteAttributeString("F", prescription.RowCount.ToString(CultureInfo.InvariantCulture));
}